Home / 43,231.50-64,850.88-13,641.38

Finding the Fourth Proportional to 43,231.50, 64,850.88 and 13,641.38

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Solution

The fourth proportional to 43,231.50, 64,850.88 and 13,641.38 is: 20,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,231.50 : 64,850.88 = 13,641.38 : x
  2. Step 2: Convert to fraction form
    43,231.50/64,850.88 = 13,641.38/x
  3. Step 3: Cross multiply
    43,231.50x = 64,850.88 × 13,641.38
  4. Step 4: Simplify right side
    43,231.50x = 884,655,497.41
  5. Step 5: Solve for x
    x = 884,655,497.41/43,231.50
  6. Step 6: Final answer
    x = 20,463.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.